/*
 * R : A Computer Language for Statistical Data Analysis
 * Copyright (C) 1995, 1996  Robert Gentleman and Ross Ihaka
 * Copyright (C) 1997--2008  The R Development Core Team
 * Copyright (C) 2003, 2004  The R Foundation
 * Copyright (C) 2010 bedatadriven
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.renjin.primitives.subset;

/**
 * A missing subscript -- x[] -- selects all elements.
 * When used for an array/matrix, it can select the whole
 * row or column. For example, x[,1] or x[1,]
 */
public class MissingSubscript extends Subscript {

  private final int sourceDimensionLength;

  public MissingSubscript(int sourceDimensionLength) {
    this.sourceDimensionLength = sourceDimensionLength;
  }

  @Override
  public int getCount() {
    return sourceDimensionLength;
  }

  @Override
  public int getAt(int i) {
    return i;
  }
}
